Come and Check Our Promo Solutions.Made of thick clear PVC, this clear backpack Stadium approved is waterproof and more durable than others. Clear design helps you quickly get through the security check, easier to reach in to grab what you need, and have a quick check before you go out in case of forgetting things. Combined with waterproof oxford fabric bottom, this heavy duty clear backpack is sturdier and bears more loads. Straps of gym backpack are Bar-tacked at the end to reinforce its load bearing up to 65lbs. Pls check inventory and detailed info with us before placing your orders.